TABLES OF MEAN TEMPERATURES. 



125 



Hour. 



Jan. 



Feb. 



Mar. 



Apr. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 









Hourly Means of Temperature. 











Island of St. Helen 



opposite Montreal. I..at. 45° 



30'. Long. 73° 33' 



W. of G. j 



1 





Alt. 



60 ft. J 



. S. McCord. Printed Report, Montreal, 



1842. 











Observations at the 



iVfii hours from 



Aug. 18 



39, to July, inclusive, i8^ 



0. 











" 



" " 



odd ' 



' " 



" 1S40, " 



' " 



1 84 



I. 







Mdn't 



7°. 00 



19^.56 



26°. 00 



39°-75 



52°. 06 



59°- 13 



66°. 00 



62°. 40 



53°-8i 



45°. 48 



29°. 03 



21°. 74 



40°. 16 



I 



17- '53 



12.91 



18.12 



31-35 



46.48 



60.53 



62.35 



64.66 



52.61 



42.17 



31.60 



15.03 



37-94 



2 



5 



74 



1S.15 



24.22 



37-9° 



49.66 



56.96 



63.22 



61.01 



53-36 



44 



30 



28. So 



22.42 



38 



81 



3 



17 



66 



11.80 



17-32 



29-33 



44-82 



59.98 



60 



62 



63.70 



52-33 



41 



09 



31.18 



14.12 



36 



99 



4 



S 



22 



17.48 



22.75 



35-18 



49.66 



57.20 



62 



82 



60.06 



52.10 



43 



47 



28.58 



22.04 



38 



05 



5 



17 



09 



IO-57 



15.66 



27-93 



44-77 



58.78 



59 



66 



63-25 



52.10 



40 



25 



30.68 



13.62 



3^ 



19 



6 



4 



56 



16.94 



22.09 



36-71 



50.00 



58-83 



64 



93 



60.41 



53.11 



43 



48 



29.03 



22.10 



38 



51 



7 



16 



98 



9-30 



15-43 



30-63 



47-77 



60.36 



64 



38 



67-59 



54.06 



41 



09 



30-75 



13.85 



37 



68 



S 



5 



00 



17.62 



24.01 



38.83 



53-55 



63-50 



69 



79 



63.61 



55-51 



45 



79 



29.61 



22.50 



40 



78 



9 



17 



80 



IO-53 



19-54 



33-76 



50.83 



65.10 



67 



20 



70.27 



56.S0 



43 



93 



32-13 



14-77 



40 



22 



lO 



8 



31 



21.65 



27-34 



43.06 



57-58 



66.13 



73 



24 



68.14 



59-18 



49 



30 



30.80 



23.21 



43 



94 



II 



20 



04 



14.69 



25.01 



36-95 



54.12 



68.50 



70 



63 



73-30 



59-73 



47 



43 



34-11 



16.40 



43 



41 



Noon 



10 



92 



24-34 



31-54 



47.28 



63-71 



69-55 



75 



85 



72.03 



63-13 



52 



53 



32-26 



24.64 



47 



32 



I 



20 



45 



19.32 



29.91 



39-40 



57-11 



71-05 



73 



50 



76,30 



62.65 



50 



II 



36.25 



18.29 



46 



19 



2 



12 



17 



26.27 



33-80 



48.26 



65-37 



72.10 



77 



75 



74-33 



64.30 



55 



27 



32.76 



25.96 



49 



03 



3 



21 



32 



20.60 



31-53 



40.80 



57-79 



72.01 



75 



43 



77.03 



64.18 



50 



50 



35-98 



18.69 



47 



15 



4 



II 



98 



24.44 



33-27 



48.06 



64.96 



71-.38 



77 



90 



74.12 



64.40 



53 



93 



32.91 



26.64 



48 



66 



5 



19 



59 



18.64 



28. 98 



40.10 



57-95 



71.26 



73 



95 



75-16 



63-36 



47 



85 



33-95 



17-35 



45 



67 



6 



9 



87 



22.34 



30-74 



46.15 



60.48 



69.40 



75 



79 



72-03 



60.50 



51 



10 



31-43 



24.72 



46 



21 



7 



19 



56 



15-75 



24.90 



37-40 



54-83 



68.25 



70 



30 



71.14 



58-15 



45 



70 



33-20 



16.61 



42 



98 



8 





00 



21.43 



28.54 



43.08 



58.22 



65.48 



71 



06 



67.10 



57.60 



48 



56 



30-36 



23,40 



43 



65 



9 



19 



62 



15.48 



23-25 



34-03 



50.72 



63-50 



66 



25 



68.11 



56.21 



44 



38 



32-63 



16.62 



40 



90 



lO 



7 



93 



20.62 



27.61 



41.63 



54-74 



61.91 



67 



75 



64.41 



55-31 



46 



89 



29.21 



22.53 



41 



71 



II 



18 



35 



14.28 



20.82 



32.41 



48.91 



61-53 



64-03 



66.59 



54-51 



42-33 



31.28 



15.69 



39.22 



Ev. h. 

 1839-40 



1 8.14 



20.90 



27.65 



42.15 



56.66 



64.29 



70-50 



66.63 



57-69 



48.34 



30.39 



23-49 



43-07 



Oddh. 

 1849-41 



1 18.83 



14.4S 



22.54 



34-50 



51-34 



65-07 



67.35 



69-75 



57.22 



44.73 



32.81 



15.92 



41.21 









Semi- 



HOURL 



i Mea> 



IS OF 1 



'emper 



ature. 











Thund 



sr Baj 



r Islar 



id, La 



keHu 



ron, B 



»Tich. 



Lat. 4 



5° 2'. 



Long. 



83° 17 



W. of G. j 



Alt. 610 f 



. [and I 



above 



Lake H 



jjon] . 



Observer 



: J. J- J 



klalden. 



Dec. I 



863, to I 



)ec. 1865. Report, j 









ISl 



. and N 



W. Lai 



ce Surve 



y, for iS 



67. 











Mdn't 



19.4 



21.4 



25-3 



34.5 



43-1 



54-3 



60.8 



62,9 



57.7 



43.0 



36.8 



24.6 



40.3 



30 



19 







21.5 



24.6 



34-0 



42.4 ■ 



53-9 



60 



I 



62.6 



58 







43 



2 



36.6 



24-4 



40 







I 



18 



7 



21. I 



24.3 



33 



6 



42.1 



53 



7 



59 



7 



62.4 



57 



8 



43 







36.4 



24-3 



39 



8 



I 30 



18 



3 



20.8 



24.1 



33 



4 



41.8 



53 



3 



59 



2 



62.1 



57 



7 



42 



8 



36.3 



24-2 



39 



5 



2 



18 







20.7 



23.8 



33 







41-5 



53 







58 



8 



61.8 



57 



5 



42 



6 



36.2 



24-1 



39 



2 



2 30 



17 



8 



20.5 



23.6 



32 



8 



41-4 



52 



7 



58 



5 



61.7 



57 



3 



42 



5 



36.1 



24.0 



39 



' 



3 



17 



7 



20.4 



23.S 



32 



7 



41-3 



52 



5 



5! 



2 



61.S 



57 



2 



42 



5 



36.0 



23-8 



38 



9 



3 30 



17 



7 



20.4 



23.6 



32 



8 



41.2 



52 



7 



s^ 



2 



61.S 



57 



I 



42 



4 



36.0 



23-9 



3i 



9 



4 



17 



8 



20.5 



23.7 



32 



9 



41-3 



52 



8 



5^ 



3 



61.4 



57 







42 



4 



35.9 



24.0 



35 







4 30 



17 



9 



20.5 



23.8 



33 







41.4 



52 



8 



58 



4 



61.4 



56 



8 



42 



3 



35.9 



24-0 



39 







5 



18 







20.7 



23-9 



33 



I 



41.6 



53 



2 



58 



6 



61.4 



56 



8 



42 



3 



35.9 



24-1 



39 



I 



5 30 



18 



I 



20.8 



24.0 



33 



4 



42.3 



53 



7 



59 



I 



61.6 



56 



9 



42 



4 



36.0 



24-2 



39 



3 



6 



18 



2 



20.9 



24.2 



33 



8 



43-2 



54 



6 



59 



9 



61.9 



56 



9 



42 



5 



36.0 



24-3 



39 



7 



6 30 



18 



3 



21.0 



24.6 



34 



5 



43-9 



55 



9 



61 



I 



62.7 



57 



3 



42 



6 



36.0 



24-3 



40 



I 



7 



18 



3 



21.2 



25.0 



35 



4 



45.0 



56 



9 



62 



7 



63.7 



57 



8 



42 



9 



36.0 



24-3 



40 



8 



7 30 



18 



4 



21.4 



25-5 



36 



3 



46.0 



58 



I 



63 



4 



65.0 



58 



6 



43 



3 



36-. 



24.5 



41 



4 



8 



18 



8 



21.7 



26.S 



37 



2 



46.9 



59 



2 



64 



5 



66.2 



59 



5 



43 



7 



36-3 



24,7 



42 



.1 



S 30 



19 



I 



22.1 



27-4 



38 







47-6 



60 



I 



65 



6 



67.3 



60 



I 



44 



3 



36.6 



24-8 



42 



7 



9 



19 



4 



22.7 



28.0 



38 



7 



48.2 



60 



7 



66 



5 



68.2 



61 







45 







37-0 



25.0 



43 



4 



9 30 



20 







23.2 



28.9 



39 



2 



48.5 



61 



5 



67 



2 



68.8 



61 



6 



45 



7 



37-4 



25-3 



43 



-9 



10 



20 



4 



23-7 



29.6 



39 



8 



49.0 



62 







67 



9 



69.6 



62 



3 



46 



4 



37-9 



25.6 



44 



-5 



ID 30 



21 







24-4 



30-3 



40 



3 



49-5 



62 



5 



68 



4 



70.5 



63 







47 



.1 



3S-3 



25-9 



45 



.1 



II 



21 



6 



25-1 



31-3 



40 



8 



49-8 



62 



8 



68 



.9 



71.3 



63 



6 



47 



.8 



38-7 



26.3 



45 



.7 



II 30 



22.2 



25-7 



31-3 



41.2 



50.1 



63-1 



69-3 



72.0 



64.2 



48.4 



39-2 



26.7 



46 



.1 



